It is not possible for the fish on "My Sim Aquarium" to have eggs. All fish must be purchased from the pet store.
fish that give no protection to their young lay large numbers of eggs
Jellyfish eat a large variety of things including small plants, copepods, fish larvae, fish eggs, plankton eggs and even other jellyfish. Several of these are producers.
because fish eggs are so small, fish can fit more eggs in the womb.
They store them in their stomach then regurgitate them.
Fish eggs are not eaten by dragonfly larvae. Dragonfly larvae eat small fish, very small fish and tadpoles. They do not eat fish larvae. A lot of fish eat the larvae out of there own nests.
It all depends on what you want. In other words, if they are fish eggs do you want more of the same fish that are in the tank - and the same for snail eggs. The kinds of fish you have will tell you about the eggs and where they are found. Sclares (angel fish) deposit their eggs on the glass or a leaf. Cichlids usually drop their eggs into the sand. Siamese fish blow elaborate "egg nests" made of bubbles. A small gel-like patch on the side of the tank is usually snail eggs - unless you have a large snail such as a Mystery Snail.
A rod
Of course small fish eat less than large fish.
The Dipper eats insects and their larvae, fish eggs, and small fish.
Jellies are carnivorous, feeding on plankton, crustaceans, fish eggs, small fish and other jellyfish.
fish eggs and young fish tend to have many predators that want to eat them so many of them don't survive. By laying large amounts of eggs, adult fish increases the probabilty that one of those eggs will survive to grow into a full grown fish and reproduce.